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159
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PIMRC
2008
IEEE
16 years 23 days ago
2008
IEEE
Multihop cellular systems using fixed relay stations are the most promising candidate in the next generation of cellular systems. In order to maximize multihop transmission gains, ...
176
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WCNC
2008
IEEE
16 years 23 days ago
2008
IEEE
— In this paper, we investigate two selective relaying schemes in cooperative OFDM systems. Selective OFDMA relaying, where the relay selection is performed in a per-subcarrier m...
196
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WIMOB
2008
IEEE
16 years 23 days ago
2008
IEEE
— During an emergency response, access to a reliable communication infrastructure is required to exchange accurate information in a timely manner. Various communication technolog...
175
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ACSC
2007
IEEE
16 years 22 days ago
2007
IEEE
In this paper we shall introduce a new electronic payment concept based on the popular direct debit payment model, entitled periodical payments. The direct debit model currently i...
209
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BROADNETS
2007
IEEE
16 years 22 days ago
2007
IEEE
— Traffic engineering has been extensively studied to maximize network resource utilization while minimizing call blocking [1]. As the the demand for high data rate services ove...